44 lines
851 B
C
44 lines
851 B
C
#include "accelerometer.h"
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#include <libgy521.h>
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#include <math.h> //for fabs
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float acceldata = 0;
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int kill = 0;
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void setupAccelerometer(void) {
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setupgy521();
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}
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float getaccelerometerdata(void) {
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float xyz[] = {getAccelerometerData('x', 1), getAccelerometerData('y', 1), getAccelerometerData('z', 1)};
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float temp;
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int i, z;
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for (i = 0; i < 3; i++) {
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for (z = 0; z < 3 - i; z++) {
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if (xyz[z] < xyz[z + 1]) {
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temp = xyz[z];
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xyz[z] = xyz[z + 1];
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xyz[z + 1] = temp;
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}
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}
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}
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return fabs(xyz[0]); //Absolutwert fuer float
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}
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int updateAccelerometerValue(void) {
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acceldata = getaccelerometerdata();
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return kill;
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}
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void killAccelerometerMeasure(void) {
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kill = 1;
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}
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float getAccelData(void) {
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return acceldata;
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}
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